[1] Philippov V, Codemard C, Jeong Y et al. High-energy in-fiber pulse amplification for coherent lidar applications[J]. Optics Letters, 29, 2590-2592(2004).

[2] Liu Y, Liu J Q, Chen W B. An all-fiber single frequency laser for eye-safe coherent Doppler wind lidar[J]. Chinese Journal of Lasers, 36, 1857-1860(2009).

[3] Teodoro F D, Belden P M, Ionov P et al. Development of pulsed fiber lasers for long-range remote sensing[J]. Optical Engineering, 53, 036105(2014).

[4] Dilley C E, Stephen M A, Savage-Leuchs M P. High SBS-threshold, narrowband, erbium codoped with ytterbium fiber amplifier pulses frequency-doubled to 770 nm[J]. Optics Express, 15, 14389-14395(2007).

[5] Belden P, Chen D, Teodoro F D. Watt-level, gigahertz-linewidth difference-frequency generation in PPLN pumped by an nanosecond-pulse fiber laser source[J]. Optics Letters, 40, 958-961(2015).

[6] Fu S J, Shi W, Feng Y et al. Review of recent progress on single-frequency fiber lasers[J]. Journal of the Optical Society of America B, 34, A49-A62(2017).

[7] Liu C, Leng J Y, Qi Y F et al. Stimulated Brillouin scattering in single-frequency, single-mode, linearly polarized ytterbium-doped fiber amplifier[J]. Chinese Journal of Lasers, 38, 0502001(2011).

[8] Nikles M, Thevenaz L, Robert P A. Brillouin gain spectrum characterization in single-mode optical fibers[J]. Journal of Lightwave Technology, 15, 1842-1851(1997).

[9] di Teodoro F, Morais J, McComb T S et al. SBS-managed high-peak-power nanosecond-pulse fiber-based master oscillator power amplifier[J]. Optics Letters, 38, 2162-2164(2013).

[10] Zhou P, Leng J Y, Xiao H et al. High average power fiber lasers: research progress and future prospect[J]. Chinese Journal of Lasers, 48, 2000001(2021).

[11] Wu J F, Jiang S B, Luo T et al. Efficient thulium-doped 2-μm germanate fiber laser[J]. IEEE Photonics Technology Letters, 18, 334-336(2006).

[12] Shi W, Petersen E B, Yao Z D et al. Kilowatt-level stimulated-Brillouin-scattering-threshold monolithic transform-limited 100 ns pulsed fiber laser at 1530 nm[J]. Optics Letters, 35, 2418-2420(2010).

[13] Fang Q, Shi W, Kieu K et al. High power and high energy monolithic single frequency 2 μm nanosecond pulsed fiber laser by using large core Tm-doped germanate fibers: experiment and modeling[J]. Optics Express, 20, 16410-16420(2012).

[14] Wen X, Tang G, Yang Q et al. Highly Tm3＋ doped germanate glass and its single mode fiber for 2.0 μm laser[J]. Scientific Reports, 6, 20344(2016).

[15] Lee W, Geng J H, Jiang S B et al. 1.8 mJ, 3.5 kW single-frequency optical pulses at 1572 nm generated from an all-fiber MOPA system[J]. Optics Letters, 43, 2264-2267(2018).

[16] Shi W, Fu S J, Tang Z et al. High-energy 100-ns single-frequency all-fiber laser at 1064 nm[J]. Proceedings of SPIE, 10512, 1051219(2018).

[17] Luo Y, Wang X L, Su R T et al. Research progress on amplified spontaneous emission suppression in pulsed fiber amplifiers[J]. Laser & Optoelectronics Progress, 54, 020004(2017).

[18] Shi C, Zhang H W, Wang X L et al. kW-class high power fiber laser enabled by active long tapered fiber[J]. High Power Laser Science and Engineering, 6, e16(2018).

[19] Patokoski K, Rissanen J, Noronen T et al. Single-frequency 100 ns/0.5 mJ laser pulses from all-fiber double clad ytterbium doped tapered fiber amplifier[J]. Optics Express, 27, 31532-31541(2019).

[20] Huang L, Lai W, Ma P et al. Tapered Yb-doped fiber enabled monolithic high-power linearly-polarized single-frequency laser[J]. Optics Letters, 45, 4001-4004(2020).

[21] Lai W C, Ma P F, Liu W et al. 550-W single-frequency all-fiber amplifier with near-diffraction-limited beam quality[J]. Chinese Journal of Lasers, 47, 0415001(2020).

[22] An Y, Pan Z Y, Yang H et al. 400-W single-mode single-frequency laser output from homemade tapered fiber[J]. Acta Physica Sinica, 70, 204204(2021).

[23] Shi C D, Tian H, Sheng Q et al. High-power single-frequency pulsed fiber MOPA via SPM suppression based on a triangular pulse[J]. Results in Physics, 28, 104594(2021).